VULNERABILITY INTELLIGENCE

CVE-2020-21054

CVSS score6.1 MEDIUM

EPSS probability0.72%

CISA KEVNot currently listed

Published2021-05-20

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

Cross Site Scripting (XSS) vulnerability in FusionPBX 4.5.7 allows remote malicious users to inject arbitrary web script or HTML via an unsanitized "f" variable in app\vars\vars_textarea.php.

Weakness classification

nvd@nist.gov: CWE-79

Primary references

cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory